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Blödite Group
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About Blödite Group
Formula:
Na2M(SO4)2 · 4H2O
M = Mg, Mn, Co, Ni, Zn
A group of sodium metal sulphate tetrahydrate minerals.
Synthetic members are also known for M = Fe.
Synthetic members are also known for M = Fe.
Name Encoding
ASCII-7:
Blodite Group
Unique Identifiers
Mindat ID:
42038
Long-form identifier:
mindat:1:1:42038:9
Chemistry of Blödite Group
Mindat Formula:
Na2M(SO4)2 · 4H2O
M = Mg, Mn, Co, Ni, Zn
M = Mg, Mn, Co, Ni, Zn
Crystal Structure
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2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0009212 | Changoite | Giglio M (1958) Die kristallstruktur von Na2Zn(SO4)2*4H2O (Zn-blodit) Acta Crystallographica 11 789-794 |  | 1958 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Blödite Group to other Species
Blödite Group Members:
| Blödite | Na2Mg(SO4)2 · 4H2O | Mon. 2/m : P21/b |
| Changoite | Na2Zn(SO4)2 · 4H2O | Mon. 2/m : P21/b |
| Cobaltoblödite | Na2Co(SO4)2 · 4H2O | Mon. 2/m : P21/b |
| Manganoblödite | Na2Mn(SO4)2 · 4H2O | Mon. 2/m : P21/b |
| Nickelblödite | Na2Ni(SO4)2 · 4H2O | Mon. 2/m : P21/b |
Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Blödite Group
mindat.org URL:
https://www.mindat.org/min-42038.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Blödite Group
Localities for Blödite Group
Showing 196 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
La Compañia Mine, Sierra Gorda, Antofagasta Province, Antofagasta, Chile